EP0569874B1 - Pompe à tuyau - Google Patents

Pompe à tuyau Download PDF

Info

Publication number
EP0569874B1
EP0569874B1 EP93107434A EP93107434A EP0569874B1 EP 0569874 B1 EP0569874 B1 EP 0569874B1 EP 93107434 A EP93107434 A EP 93107434A EP 93107434 A EP93107434 A EP 93107434A EP 0569874 B1 EP0569874 B1 EP 0569874B1
Authority
EP
European Patent Office
Prior art keywords
rotor
hose
bores
pump according
hose pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93107434A
Other languages
German (de)
English (en)
Other versions
EP0569874A1 (fr
Inventor
Werner Wehling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allweiler GmbH
Original Assignee
Allweiler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Allweiler AG filed Critical Allweiler AG
Publication of EP0569874A1 publication Critical patent/EP0569874A1/fr
Application granted granted Critical
Publication of EP0569874B1 publication Critical patent/EP0569874B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
    • F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
    • F04B43/1276—Means for pushing the rollers against the tubular flexible member

Definitions

  • the invention relates to a peristaltic pump according to the preamble of claim 1.
  • Such a peristaltic pump is described in US Pat. No. 3,700,361 with a relatively narrow pump hose and a pair of pressure rollers, which creates a chamber section closed off by two pinch points in the hose interior.
  • the pressure rollers roll on the fixed pump hose, which is supported on the abutment, and with them those pinch points migrate, as a result of which the liquid or the like present in the hose interior.
  • Conveyed material is conveyed from the hose inlet to the outlet end of the pump hose; thanks to the restoring force of the hose wall, the pinch point near the hose inlet causes suction force on the incoming material, which is then transported from the chamber section described above to the outlet end of the pump hose.
  • the inventor has set itself the goal of creating a peristaltic pump of the type described at the outset with which the identified defects are remedied.
  • At least two pairs of two bearing eyes or bores each receiving the two ends of a roller axis of a pressure roller, are provided in the rotor on a common diameter, and these bearing eyes or bores are arranged on construction circles of different radii, the roller axis being interchangeable between the pairs and thus their radial distance from Wave is changeable.
  • each pair of bores on a common diameter of the rotor beyond the shaft should be assigned a further pair of bores on a common construction circle.
  • the length of the radii increases gradually in one direction - in particular by about 0.5 mm to 1.5 mm in each case - preferably against the direction of rotation of the rotor, an angle (as a distance measure for adjacent bores) w) from 20 ° to 30 °, preferably about 28 °, can be provided.
  • the aligned pairs of bores are accommodated in two rotor plates of the rotor which are arranged at an axial distance from one another, each of which has a bore of the pairs of aligned bores.
  • the rotor plates can advantageously be in one piece with a central web of the rotor receiving the shaft and preferably offer partially circular outer edges in the region of the bores, beyond which a part of the pressure roller cross section projects radially.
  • Each of the rotor plates is provided with a plurality of bores lying side by side on a respective construction circle around the shaft, two bores of each rotor plate lying on a common construction circle, and moreover according to the invention on a common diameter.
  • the radii of the construction circles are of different lengths, and the length of the radii increases in one direction - preferably by about 0.5 to 1.5 mm in each case - in stages, in particular against the direction of rotation of the rotor.
  • roller axles of two pressure rollers are advantageously fixed by a common axle holder by a rigid strip of material with two wing ends, which is held in the center of the shaft axis of the pump shaft, for example by an end screw of this pump shaft, and which engages the roller axes with its two wing ends.
  • axle holder is also attached to the roller axles by means of end screws, it is secured in only one direction. It is therefore of particular importance that the free ends of the axle holder are inserted as locking webs in the side locking grooves of the two roller axles; this allows both a radial and an axial fixation and particularly effectively prevents a different pressure roller arrangement and adjustment.
  • the latching ends of the axle holder preferably engage with aligned latching edges in the latching grooves, and can therefore be inserted into both latching grooves from one side.
  • the forehead screw holding it in the rotor center - already mentioned - creates a kind of three-point fixation and prevents incorrect assembly of the axle holder.
  • the - in the selected version four - pressure roller positions on the runner are marked with embossed numbers or letters.
  • Medium has in a bowl-like pump housing 12 - an inner diameter d of approximately 320 mm and an inner height h of approximately 100 mm - with a housing wall 16 projecting from a housing base 14 on a pump shaft 18 a rotor 20.
  • the housing wall 16 ends in an outwardly projecting flange 22, onto which a pump cover 26 is screwed with the interposition of a seal 24.
  • this includes a pump chamber 28 which can hold lubricants or coolants in wet-running machines.
  • Fig. 1 shows that a pump hose 30 is arranged approximately U-shaped in plan view on the inner surface of the housing wall 16, the free hose ends of which protrude into two wall sockets 32 of the housing wall 16, which are each closed by means of screwed-on stuffing box gland 34.
  • Each stuffing box gland 34 is a fixed pump pipe socket 36 - as an inlet or Spout for a medium to be conveyed - penetrated, which is inserted into the hose interior 31 at the end of the hose.
  • the mutually parallel wall connections 32 project approximately tangentially from the housing wall 16 and, for reasons of clarity, accommodate packing rings, gland base rings and the like, which are not shown.
  • the disk-like rotor 20 has an I-like cross section, the pump shaft 18 being seated in a central bearing bore 40 of the rotor 20 in its central web 38.
  • This bearing bore 40 is spanned by a wing-like strip as an axle holder 42, on the outside of which the head of an end screw 44 of the pump shaft 18 is supported.
  • the usual screw locks are not specifically mentioned here, that of the forehead screw 44 is designated 45.
  • central web 38 protrude radially at a distance i from one another two parallel rotor plates 46, 47 which are integral with it and which, according to FIG. 1, each have two oval regions connected by a central web section, which have two partially circular outer edges on both sides of a line of symmetry G. 48 and delimit two opposing indentations 50 in the web area.
  • Each of the oval areas is equipped with — here four — bores 52 (numbered “0” to “3” in FIG. 1) with a diameter e of approximately 25 mm on different construction circles K1 to K4; their radii r1 to r4 are each stepped by approximately 0.5, radius r1 here measuring approximately 80 mm.
  • the equally large distance angles w between radial lines of adjacent bores 52 are between 26 and 28 °.
  • the two bores 52 with the number “1” receive roller axes 54 which are parallel to the pump shaft 18 and which are each surrounded by a bearing bush 56 of a pressure roller 58 between the rotor plates 46, 47.
  • These show an H-shaped profile cross section on both sides of the bearing bush 56 in FIG. 2.
  • the circumference 60 of the two pressure rollers 58 lying on a common diameter D rolls off laterally when the pump shaft 18 rotates on the pump hose 30, which is supported against the inner surface of the housing wall 16, and squeezes its cross section so that the volume of the Hose interior 31 approaches the value zero until the hose interior 31 is closed at the pinch point.
  • the chamber section thus created transports the medium to be conveyed further in accordance with the rotor rotation.
  • the two roller axes 54 are mounted on both ends directly in the rotor 20, their bearing bores 52 are at the same distance from the axis A of the pump shaft 18 in the rotor plates 46, 47, and - as mentioned - on a common diameter D.
  • the radial and axial fixation of the Roller axles 54 take place through the wing-like axle holder 42, the latching ends 43 of which engage in radial circumferential slots or latching grooves 62 of the roller axles 54. As shown in FIG.
  • this axle holder 42 is mounted on the screw 44 on the one hand and in the locking grooves 62 on the other hand, that is to say at three points, and its locking edges 64 to be inserted into the locking grooves 62 and are aligned with one another lie on a common side of the axle holder 42 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (12)

  1. Pompe tubulaire comprenant un tuyau de pompe (30) disposé dans un corps de pompe (12) et présentant des extrémités de raccordement accessibles depuis l'extérieur, le tuyau de pompe étant muni d'une paroi de tuyau déformable de façon élastique et étant inséré dans le corps de pompe (12), avec une zone fléchie en forme d'arc de cercle, autour d'un arbre (18) d'un rotor (20) de la pompe tubulaire (10) et avec un écart radial par rapport à la pompe tubulaire, et dont la section transversale peut être déformée par des galets presseurs (58), dépassant du rotor (20) dans le sens radial, qui pressent le tuyau de pompe (30), au moins dans sa zone fléchie, avec réduction de son volume intérieur, contre une butée fixe courbée en conséquence, le rotor (20) présentant des alésages (52) pour l'axe de galet (54) des galets presseurs (58) et cet axe reposant dans une paire en alignement d'alésages (52) dans le rotor parallèlement à l'arbre (18) du rotor (20),
       caractérisée en ce que,
       dans le rotor (20), il est prévu sur un diamètre commun (D) au moins deux paires d'oeillets de support ou d'alésages (52) dont deux logent respectivement les deux extrémités d'un axe de galet (54) d'un galet presseur (58) et en ce que ces oeillets de support ou alésages sont disposés sur des cercles de construction (K1 à K4) de différents rayons (r1 à r4), l'axe de galet (54) étant interchangeable d'une paire à l'autre et l'écart radial de cet axe de galet par rapport à l'arbre (18) pouvant ainsi être modifié.
  2. Pompe tubulaire selon la revendication 1, caractérisée en ce qu'une autre paire d'alésages sur un cercle de construction commun est affectée à chaque paire d'alésages (52) sur un diamètre commun (D) du rotor (20) de l'autre côté de l'arbre (18).
  3. Pompe tubulaire selon la revendication 1 ou 2, caractérisée en ce que la longueur des rayons (r1 à r4) augmente graduellement dans une direction, en particulier d'environ 0,5 mm à 1,5 mm à chaque fois, de préférence à l'opposé du sens de rotation du rotor (20).
  4. Pompe tubulaire selon l'une des revendications 1 à 3, caractérisée par un angle (W) de 20° à 30°, de préférence d'environ 28°, en tant que cote d'écartement pour les alésages voisins (52).
  5. Pompe tubulaire selon l'une des revendications 1 à 4, caractérisée par deux plaques de rotor (46, 47) du rotor (20) disposées avec un écart axial (i) entre elles, plaques dont chacune présente un alésage (52) des paires d'alésages en alignement (52), les plaques de rotor (46, 47) constituant éventuellement une seule pièce avec une nervure médiane (38) du rotor (20) logeant l'arbre (18) dans un alésage de support (40).
  6. Pompe tubulaire selon au moins une des revendications 1 à 5, caractérisée en ce que les plaques de rotor (46, 47) présentent dans la zone des alésages (52) des arêtes extérieures (48) en forme d'arc de cercle, arêtes dont dépasse une partie de la section de galet presseur.
  7. Pompe tubulaire selon au moins une des revendications 1 à 6, caractérisée en ce que l'axe de galet (54) entre les deux plaques de rotor (46, 47) est entouré d'un coussinet (56).
  8. Pompe tubulaire selon au moins une des revendications 1 à 7, caractérisée en ce que les axes de galet (54) de deux galets presseurs (58) sont fixés par un élément de retenue d'axe (42) commun.
  9. Pompe tubulaire selon la revendication 8, caractérisée en ce qu'il est prévu, en tant qu'élément de retenue d'axe (42), une bande de matériau rigide qui est retenue dans l'axe d'arbre (A) de l'arbre de pompe (18) et qui entre en prise, par ses deux extrémités (43), avec les deux axes de galet (54).
  10. Pompe tubulaire selon la revendication 8 ou 9, caractérisée en ce que les extrémités libres (43) de l'élément de retenue d'axe (42) sont réalisées sous forme d'ailettes et sont insérées en tant que nervures à cran d'arrêt dans des rainures à cran d'arrêt (62) latérales des deux axes de galet (54).
  11. Pompe tubulaire selon la revendication 9 ou 10, caractérisée en ce que les extrémités à cran d'arrêt (43) de l'élément de retenue d'axe (42) entrent en prise, par des arêtes à cran d'arrêt (64) en alignement, avec les deux rainures à cran d'arrêt (62) qui reposent sur un rayon commun (r₁ à r₄).
  12. Pompe tubulaire selon l'une des revendications 9 à 11, caractérisée en ce que l'élément de retenue d'axe (42) repose d'une part dans la zone de l'axe d'arbre (A) et d'autre part dans les rainures à cran d'arrêt (62), donc en trois points.
EP93107434A 1992-05-11 1993-05-07 Pompe à tuyau Expired - Lifetime EP0569874B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4214914 1992-05-11
DE4214914A DE4214914A1 (de) 1992-05-11 1992-05-11 Schlauchpumpe

Publications (2)

Publication Number Publication Date
EP0569874A1 EP0569874A1 (fr) 1993-11-18
EP0569874B1 true EP0569874B1 (fr) 1995-07-26

Family

ID=6458267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107434A Expired - Lifetime EP0569874B1 (fr) 1992-05-11 1993-05-07 Pompe à tuyau

Country Status (3)

Country Link
US (1) US5372486A (fr)
EP (1) EP0569874B1 (fr)
DE (2) DE4214914A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5586872A (en) * 1992-09-02 1996-12-24 Skobelev; Valery V. Adjustable peristaltic pump
US5851291A (en) * 1996-07-31 1998-12-22 Poterala; Robert J. Chemical foaming machine and mixing apparatus
US7223079B2 (en) * 2003-07-28 2007-05-29 The Coca-Cola Company Quick loading peristaltic pump
DE102012222358A1 (de) * 2012-12-05 2014-06-05 Mahle International Gmbh Elektrische Flüssigkeitspumpe
CN103498784A (zh) * 2013-09-18 2014-01-08 宁波天益医疗器械有限公司 用于臭氧免疫调节设备中的蠕动泵

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US537049A (en) * 1895-04-09 Surgical pump
FR597719A (fr) * 1924-12-24 1925-11-27
US2123781A (en) * 1936-06-16 1938-07-12 Charles J Huber Pump
FR1000300A (fr) * 1949-11-24 1952-02-11 Appareil à transfuser le sang
US3384080A (en) * 1964-10-16 1968-05-21 Us Catheter & Instr Corp Portable spring powered infusion device having escapement means controlling speed ofinfusion
CH453080A (fr) * 1965-12-02 1968-05-31 Binder Jean Charles Pompe
US3386382A (en) * 1966-08-15 1968-06-04 Possis Machine Corp Fluid material dispensing apparatus
US3565286A (en) * 1968-10-18 1971-02-23 Cryogenic Technology Inc Liquid programming and pumping apparatus
US3700361A (en) * 1971-07-08 1972-10-24 Sarns Inc Peristaltic pump construction
US4218197A (en) * 1978-07-06 1980-08-19 Beckman Instruments, Inc. Combined peristaltic pump and valve flow controller
US4518327A (en) * 1981-11-25 1985-05-21 Hackman Charles Henry Rotary peristaltic pump
FR2519381B1 (fr) * 1981-12-31 1986-09-26 Delasco Sa Pompe peristaltique
US4432707A (en) * 1982-06-21 1984-02-21 Anko Motors, Inc. Roller assembly for peristaltic pump
IT8323631V0 (it) * 1983-11-22 1983-11-22 Bellco Spa Pompa peristaltica per la circolazione ematica extracorporea.

Also Published As

Publication number Publication date
US5372486A (en) 1994-12-13
DE4214914A1 (de) 1993-11-18
DE59300397D1 (de) 1995-08-31
EP0569874A1 (fr) 1993-11-18

Similar Documents

Publication Publication Date Title
DE2602499C2 (de) Mehrstufige Seitenkanalpumpe
DE3149067A1 (de) "kupplung zur reibschluessigen drehverbindung von maschinenteilen, wie z.b. nabe und welle"
EP1526316B1 (fr) Passage radial tournant
DE3148676C2 (de) Kraftschlüssige lösbare Wellen-Naben-Verbindung
EP0569874B1 (fr) Pompe à tuyau
EP1668249B1 (fr) Pompe peristaltique
DE2158518C3 (de) Horizontale mehrstufige Zentrifugalpumpe
DE7507522U (de) Kreiselpumpe
DE29609865U1 (de) Rotationsverdrängerpumpe
EP1680600A1 (fr) Pompe peristaltique
DE10064828B4 (de) Rührwerksmühle
EP0447774B1 (fr) Dispositif pour fixer des barres de percussion dans des évidements périphériques de rotors de broyeurs à impact
DE69203687T2 (de) Hydraulische Drehflügelmaschine.
DE2418164C3 (de) Innenbeströmte Radialkolbenmaschine
DE19843161C2 (de) Schichtstruktur-Gehäuseaufbau
DE2739055A1 (de) Fluidmotor nach dem reaktionsprinzip
EP3441619B1 (fr) Pompe centrifuge
DE2542336C3 (de) Mehrstufiger Radialverdichter
EP1116886B1 (fr) Machine rotative pour fluide à jeu d'étanchéité radial entre les parties du stator et un rotor
CH615735A5 (en) Arrangement for preloading the rolling bearings of a radial rolling-bearing unit
DE4103301C2 (fr)
DE3608029C2 (fr)
DE10262350B4 (de) Radlagereinheit mit Befestigungsöffnungen für den Bremssattelträger
EP0250696B1 (fr) Appareil pour amener et/ou évacuer des fluides dans respectivement d'un convertisseur
EP0408569A1 (fr) Arbre.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT NL

17P Request for examination filed

Effective date: 19940126

17Q First examination report despatched

Effective date: 19940322

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT NL

REF Corresponds to:

Ref document number: 59300397

Country of ref document: DE

Date of ref document: 19950831

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950829

ITF It: translation for a ep patent filed

Owner name: DE DOMINICIS & MAYER S.R.L.

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20020425

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20020523

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20020524

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030507

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20030507

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040130

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20031201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050507

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59300397

Country of ref document: DE

Representative=s name: BEHRMANN WAGNER VOETSCH, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59300397

Country of ref document: DE

Representative=s name: BEHRMANN WAGNER VOETSCH, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 59300397

Country of ref document: DE

Representative=s name: BEHRMANN WAGNER VOETSCH, DE

Effective date: 20120405

Ref country code: DE

Ref legal event code: R082

Ref document number: 59300397

Country of ref document: DE

Representative=s name: BEHRMANN WAGNER VOETSCH, DE

Effective date: 20120413

Ref country code: DE

Ref legal event code: R081

Ref document number: 59300397

Country of ref document: DE

Owner name: ALLWEILER GMBH, DE

Free format text: FORMER OWNER: ALLWEILER AG, 78315 RADOLFZELL, DE

Effective date: 20120405

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20120619

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59300397

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20130508